Sir Joseph Williamson's Mathematical School

About Sir Joseph Williamson's Mathematical School

Sir Joseph Williamson's Mathematical School is an academy converter in Rochester, Medway, England, for pupils aged 11–18. It has 1,528 pupils on roll and admits boys pupils only. It is part of LEIGH ACADEMIES TRUST. Its most recent Ofsted inspection (21 March 2023) rated it Outstanding. At GCSE, pupils achieved an average Attainment 8 score of 69.9 (2025/26). 10.9% of pupils are eligible for free school meals, and 13.2% have English as an additional language.

School Information

Local Authority

Medway →

School Type

Academy converter

Phase

Secondary

Age Range

Ages 11–18

Gender

Boys

Pupils / Capacity

1,528 / 1,280 (119%) · over capacity

Sixth Form

Has a sixth form

Religious Character

None

Admissions Policy

Selective

Last Ofsted Inspection

21 March 2023

Who attends this school — useful context if you’re considering teaching here.

Source: DfE School Census, 2025/26, licensed under the Open Government Licence v3.0.

Official Department for Education results, pupil destinations and attendance.

Progress 8 isn’t published for this year group: their Key Stage 2 baseline (2021 SATs) was cancelled during the pandemic, so a progress measure can’t be calculated. GCSE figures are provisional and may be revised.

Source: Department for Education performance tables, 2025/26, licensed under the Open Government Licence v3.0. Some independent schools’ qualifications (e.g. IGCSEs) are not all reflected in these figures.

Staffing at this school, with the trend over recent years — useful if you’re considering working here.

Data for the 2024/25 academic year (trend lines show 3 years). Source: DfE School Workforce Census, licensed under the Open Government Licence v3.0. State-funded schools only.

How this school is funded and where the money goes — per pupil.

Source: DfE school finance returns (CFR for council-maintained schools, AAR for academies), 2024-25, licensed under the Open Government Licence v3.0. Per-pupil figures are calculated from total income/expenditure.

Contact Details

Address

Maidstone Road, Rochester, Medway, ME1 3EL

Phone

01634844008

Headteacher

Eliot Hodges

Website

http://www.sjwms.org.uk

Academy Trust

Frequently asked questions

What type of school is Sir Joseph Williamson's Mathematical School?

Sir Joseph Williamson's Mathematical School is an academy converter in Rochester, Medway, England, for pupils aged 11–18.

Is Sir Joseph Williamson's Mathematical School a boys school?

Yes — Sir Joseph Williamson's Mathematical School is a boys school.

How many pupils does Sir Joseph Williamson's Mathematical School have?

Sir Joseph Williamson's Mathematical School has 1,528 pupils on roll, according to Department for Education data.

What is Sir Joseph Williamson's Mathematical School's Ofsted rating?

Sir Joseph Williamson's Mathematical School was rated Outstanding at its most recent Ofsted inspection (21 March 2023).

How does Sir Joseph Williamson's Mathematical School perform at GCSE?

Pupils at Sir Joseph Williamson's Mathematical School achieved an average Attainment 8 score of 69.9 in 2025/26.

Is Sir Joseph Williamson's Mathematical School part of an academy trust?

Yes — Sir Joseph Williamson's Mathematical School is part of LEIGH ACADEMIES TRUST.

Where is Sir Joseph Williamson's Mathematical School?

Sir Joseph Williamson's Mathematical School is located at Maidstone Road, Rochester, Medway, ME1 3EL.